From https://gstreamer.freedesktop.org/src/gstreamer-vaapi/gstreamer-vaapi-1.12.3.tar.xz.sha256sum
sha256 f4cdafd8fd9606a490917c8b67336e835df1219580d55421c70480fd0913744d gstreamer-vaapi-1.12.3.tar.xz
